Oven



FIG. 1 is a front perspective view of an oven showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom thereof; and,

FIG. 8 is an enlarged perspective view of the claimed portion shown in FIG. 2.

The broken lines in the figures show portions of the oven which form no part of the claimed design. 

CLAIM I claim the ornamental design for an oven, as shown and described. 